Re: [PATCH v2 7/8] dt-bindings: iio: adc: add adi,ad7606c-{16,18} compatible strings

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On Mon, Sep 2, 2024 at 2:55 PM Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>
> On Mon, Sep 02, 2024 at 01:36:30PM +0300, Alexandru Ardelean wrote:
> >    reg:
> > @@ -114,6 +118,25 @@ properties:
> >        assumed that the pins are hardwired to VDD.
> >      type: boolean
> >
> > +patternProperties:
> > +  "^channel@([0-7])$":
> > +    type: object
> > +    $ref: adc.yaml
> > +    unevaluatedProperties: false
> > +
> > +    properties:
> > +      reg:
> > +        description: The channel number.
> > +        minimum: 0
> > +        maximum: 7
> > +
> > +      diff-channels: true
>
> Shouldn't this be specific?

Umm.
Specific how?
Like if:then check for certain compatible strings?

>
> > +
> > +      bipolar: true
> > +
> > +    required:
> > +      - reg
> > +
> >  required:
> >    - compatible
> >    - reg
> > @@ -202,4 +225,44 @@ examples:
> >              standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
> >          };
> >      };
> > +  - |
> > +    #include <dt-bindings/gpio/gpio.h>
> > +    #include <dt-bindings/interrupt-controller/irq.h>
> > +    spi {
> > +        #address-cells = <1>;
> > +        #size-cells = <0>;
> > +
> > +        adc@0 {
> > +            compatible = "adi,ad7606c-18";
> > +            reg = <0>;
> > +            spi-max-frequency = <1000000>;
> > +            spi-cpol;
> > +            spi-cpha;
> > +
> > +            avcc-supply = <&adc_vref>;
> > +            vdrive-supply = <&vdd_supply>;
> > +
> > +            interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
> > +            interrupt-parent = <&gpio>;
> > +
> > +            adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
> > +
> > +            adi,conversion-start-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>;
> > +            reset-gpios = <&gpio 27 GPIO_ACTIVE_HIGH>;
> > +            adi,first-data-gpios = <&gpio 22 GPIO_ACTIVE_HIGH>;
> > +            standby-gpios = <&gpio 24 GPIO_ACTIVE_LOW>;
> > +
> > +            adi,sw-mode;
> > +
> > +            channel@1 {
> > +                reg = <1>;
> > +                diff-channel;
>
> Where is this property defined (which schema)?
>
> Did you test it?

Tested on my board.
But forgot to update the DT schema docs.
Though, if you're referring to testing it somehow via some make
command, I'm a little behind on how all this works now.
I'll go re-check the "make dtbs_check" and similar commands.

Maybe I sound a bit old (now), but when I last saw these DT bindings
going from txt-to-yaml, they seemed relatively simple.
Now, they're almost like their own programming language.
I'll search for some quick setup guides for these; any pointers are welcome :)

>
> Best regards,
> Krzysztof
>





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